... the weak UHF, VHF, FM, signals SLx4 4WAY AMPLIFIER/28132R/piano black/LED indicator/gain control Molde: 28132RSpecifications: ... figure: 3.5dB9) Isolation loss: 23dBWe manufacture high frequency wireless network transceiver products, covering indoor and outdoor TV antennas, ... amplifiers, Satellite Dishes and equipments, Splitters, wireless AV senders, AV selectors, DVB-T, DAB and LED ...